Shingle



FIG. 1 is a front elevational view of a shingle showing my new design, the rear elevational view being plain and unornamented;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a front elevational view of a second embodiment of a shingle showing my new design, the rear elevational view being plain and unornamented;

FIG. 4 is a front elevational view of a third embodiment of a shingle showing my new design, the rear elevational view being plain and unornamented; and

FIG. 5 is a front elevational view of a fourth embodiment of a shingle showing my new design, the rear elevational view being plain and unornamented. 

The ornamental design for a shingle, as shown and described. 